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61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 95
Appendix B
Current Status Messages
This appendix lists the status line messages and their definitions.
Messages shown entirely in capital letters are generated by the
ISDN network. Messages with lower case letters are generated by
the ISU 2x64.
AT&T-5ESS Ready
The ISU is connected to an AT&T-5ESS switch and is ready to
place/receive calls.
Call Connect B1
Bearer channel 1 is connected and is active.
Call Connect B2
Bearer channel 2 is connected and is active.
CALL xxxxxxx
The ISU is calling phone number xxxxxxx.
DEACTIVATED
The network interface is not active.
DISCONNECTED
The network has activated layer 1 but layer 2 is inactive. To acti-
vate the unit a setup message must be sent or received.
DISCONNECTING
The current phone call is being disconnected (hung up).